*SUPPORT*
IN: lug blicket lug tufa dax OUT: RED RED RED GREEN
IN: lug fep blicket gazzer blicket lug OUT: RED RED RED BLUE RED RED BLUE YELLOW
IN: fep blicket gazzer OUT: BLUE BLUE YELLOW
IN: gazzer tufa fep OUT: BLUE YELLOW
IN: gazzer wif gazzer tufa fep OUT: BLUE BLUE BLUE BLUE BLUE BLUE YELLOW
IN: gazzer lug tufa dax OUT: BLUE RED GREEN
IN: gazzer fep tufa gazzer OUT: BLUE YELLOW BLUE
IN: dax fep blicket gazzer OUT: GREEN BLUE BLUE YELLOW
IN: fep dax tufa lug tufa lug OUT: YELLOW GREEN RED RED
IN: gazzer gazzer OUT: BLUE BLUE
IN: lug tufa dax OUT: RED GREEN
IN: gazzer OUT: BLUE
IN: fep gazzer OUT: YELLOW BLUE
IN: fep tufa gazzer tufa lug OUT: YELLOW BLUE RED

*QUERY*
IN: lug blicket gazzer OUT: BLUE BLUE RED
IN: gazzer blicket gazzer tufa fep OUT: BLUE BLUE BLUE YELLOW
IN: dax blicket gazzer OUT: BLUE BLUE GREEN
IN: fep OUT: YELLOW
IN: fep blicket lug blicket fep OUT: YELLOW YELLOW RED YELLOW YELLOW RED YELLOW
IN: gazzer blicket fep dax OUT: YELLOW GREEN YELLOW GREEN BLUE
IN: fep blicket lug blicket fep tufa lug OUT: YELLOW YELLOW RED YELLOW YELLOW RED YELLOW RED
IN: dax lug OUT: GREEN RED
IN: dax gazzer OUT: GREEN BLUE
IN: lug OUT: RED

*GRAMMAR*
lug -> RED 
 gazzer -> BLUE 
 dax -> GREEN 
 fep -> YELLOW 
 x1 tufa u1 -> [x1] [u1] 
 x1 wif x2 -> [x2] [x2] [x2] [x1] [x1] [x1] 
 u1 blicket x1 -> [x1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 